How long does a “heat cycle” or estrus last?
Heat cycles vary, but average two to three weeks for most dogs. Heat should be considered to begin with the first signs of discharge and with the female paying attention to her vulva. The vulva will begin to appear swollen. It ends when all discharge ceases and the vulva has returned to its normal size. What are the signs of heat? The most notable sign is vaginal bleeding. Often this does not become apparent until a few days after the female has actually come into estrus. Vulvar swelling should be taken as the first sign, in addition to the female paying increased attention to her rear end. From the beginning of the heat period, she will be attractive to male dogs but does not usually allow mating until about 7-10 days later. The discharge will usually become less bloodstained at this time. Some females experience heavy vaginal bleeding during estrus. If you are concerned, please consult us. You may also find that she is passing small quantities of urine more frequently. The urine cont
